#include<stdio.h>
#include<string.h>
#include<assert.h>

char * my_strcpy(char* dest, const char* src)
{
	assert(dest);
	assert(src);
	char *ret = dest;
	while (*dest++ = *src++)
	{
		;
	}
	return ret;
}

int main()
{
	char arr1[] = "xxxxxxxxxxxxxx";
	char arr2[] = "asfhsduhfs";
	printf("%s\n", my_strcpy(arr1,arr2));
	return 0;
}